Global warming is caused by greenhouse gases which trap the infrared radiation emitted from the earth. Despite the fact that these gases make up a small percentage of our atmosphere, they remarkably affect the amount of infrared light energy leaving the earth. Therefore they disrupt the heat balance and cause global warming. Carbon dioxide has the highest percentage of infrared absorption with 64% of the greenhouse gases. The main sources of carbon dioxide are coal-burning power plants, factories and automobiles. Coal-burning power plants are the 
largest source of carbon dioxide in the US. The other 36% of greenhouse gases that cause global warming are methane gas, nitrogen oxides, ozone, and chlorofluorocarbons (CFCs)
largest source of carbon dioxide in the US. The other 36% of greenhouse gases that cause global warming are methane gas, nitrogen oxides, ozone, and chlorofluorocarbons (CFCs)
2 comments:
Hi Mohammed,
There is also natural causes for global warming like the release of methane gas, which is one of the greenhouse gases, from arctic tundra and wetlands. That's mean global warming causes are not limited only in human activities.
Take care.
Hi Waddah,
I did littel resaerch abut what you said and fuond that it is true. Thank you for the informayion . I think I should do more work. Thanks for your comment and i hope to see you in my blog again.
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